“Oh! Do not excite yourself. Shall I say that he interested me because he was trying to grow a mustache and as yet the result is poor." Poirot stroked his own magnificent mustache tenderly. "It is an art," he murmured, "the growing of the mustache! I have sympathy for all who attempt it.”

British crime writer of the 20th century, Agatha Christie is best known for creating the iconic detective Hercule Poirot and the enigmatic Miss Marple. Her novels and plays, including *Murder on the Orient Express* and *The Mousetrap*, redefined the mystery genre with intricate plots and psychological depth.